I am a number between 3,000,000 and 5,000,000.All my digits are even.My ones period is all the same.My thousands period is all the same.All my digits add up to 22.

How do you solve this problem?

Ones Period vs. Units Period

SumDifferenceInverse OperationCheck for ReasonablenessPlace Value and Period

The City of Anytown had a population of 982,412. After the factory closed down, 12,988 people moved out of town. Over the next year, the remaining families had 6,472 babies. How many people now live in Anytown? Show your work, and answer in a full sentence.

How can you check this answer to see if it makes sense?

2 other cities have also had changes. Star City had a population of 14,822,087. It received 114,012 new immigrants. There were 48,057 babies born. 328,083 people moved out of town.

Milltown had a population of 1,014,566. Immigration added 14,777 people. 4,281 babies were born. A bad economy caused 42,748 people to move away.

What are the new populations of the cities? Compare them using the proper notation.